Alexander III
# Alexander III

Alexander III may refer to:

* Alexander III of Macedon (356 BC – 323 BC), also known as Alexander the Great
* Alexander (Byzantine emperor) (870–913), Byzantine emperor
* Pope Alexander III (1100s–1181)
* Alexander III of Vladimir [ru], grand duke of Vladimir (1328–1331), prince of Suzdal
* Alexander III of Scotland (1241–1286), king of Scotland
* Alexander III of Imereti (1609–1660), king of Imereti
* Alexander III of Russia (1845–1894), emperor of Russia
   * Pont Alexandre III, an arch bridge that spans the Seine in Paris
   * Russian battleship Imperator Aleksandr III, Russian warship
* Alexander III of Antioch (1869–1958), Greek Orthodox patriarch of Antioch
